/**
* parse_options - Read and validate the programs command line
*
* Read the command line, verify the syntax and parse the options.
* This function is very long, but quite simple.
*
* Return: 1 Success
* 0 Error, one or more problems
*/
static int parse_options(int argc, char **argv)
{
static const char *sopt = "-a:fh?i:n:qVvr";
static const struct option lopt[] = {
{ "attribute", required_argument, NULL, 'a' },
{ "attribute-name", required_argument, NULL, 'n' },
{ "force", no_argument, NULL, 'f' },
{ "help", no_argument, NULL, 'h' },
{ "inode", required_argument, NULL, 'i' },
{ "quiet", no_argument, NULL, 'q' },
{ "version", no_argument, NULL, 'V' },
{ "verbose", no_argument, NULL, 'v' },
{ "raw", no_argument, NULL, 'r' },
{ NULL, 0, NULL, 0 }
};
int c = -1;
int err = 0;
int ver = 0;
int help = 0;
int levels = 0;
ATTR_TYPES attr = AT_UNUSED;
opterr = 0; /* We'll handle the errors, thank you. */
opts.inode = -1;
opts.attr = cpu_to_le32(-1);
opts.attr_name = NULL;
opts.attr_name_len = 0;
while ((c = getopt_long(argc, argv, sopt, lopt, NULL)) != -1) {
switch (c) {
case 1: /* A non-option argument */
if (!opts.device) {
opts.device = argv[optind - 1];
} else if (!opts.file) {
opts.file = argv[optind - 1];
} else {
ntfs_log_error("You must specify exactly one "
"file.\n");
err++;
}
break;
case 'a':
if (opts.attr != cpu_to_le32(-1)) {
ntfs_log_error("You must specify exactly one "
"attribute.\n");
} else if (parse_attribute(optarg, &attr) > 0) {
opts.attr = attr;
break;
} else {
ntfs_log_error("Couldn't parse attribute.\n");
}
err++;
break;
case 'f':
opts.force++;
break;
case 'h':
case '?':
if (strncmp (argv[optind-1], "--log-", 6) == 0) {
if (!ntfs_log_parse_option (argv[optind-1]))
err++;
break;
}
help++;
break;
case 'i':
if (opts.inode != -1)
ntfs_log_error("You must specify exactly one inode.\n");
else if (utils_parse_size(optarg, &opts.inode, FALSE))
break;
else
ntfs_log_error("Couldn't parse inode number.\n");
err++;
break;
case 'n':
opts.attr_name_len = ntfs_mbstoucs(optarg,
&opts.attr_name);
if (opts.attr_name_len < 0) {
ntfs_log_perror("Invalid attribute name '%s'",
optarg);
usage();
}
case 'q':
opts.quiet++;
ntfs_log_clear_levels(NTFS_LOG_LEVEL_QUIET);
break;
case 'V':
ver++;
break;
case 'v':
opts.verbose++;
ntfs_log_set_levels(NTFS_LOG_LEVEL_VERBOSE);
break;
case 'r':
opts.raw = TRUE;
break;
default:
ntfs_log_error("Unknown option '%s'.\n", argv[optind-1]);
err++;
break;
}
}
/* Make sure we're in sync with the log levels */
levels = ntfs_log_get_levels();
if (levels & NTFS_LOG_LEVEL_VERBOSE)
opts.verbose++;
if (!(levels & NTFS_LOG_LEVEL_QUIET))
opts.quiet++;
if (help || ver) {
opts.quiet = 0;
} else {
if (opts.device == NULL) {
ntfs_log_error("You must specify a device.\n");
err++;
} else if (opts.file == NULL && opts.inode == -1) {
ntfs_log_error("You must specify a file or inode "
"with the -i option.\n");
err++;
} else if (opts.file != NULL && opts.inode != -1) {
ntfs_log_error("You can't specify both a file and inode.\n");
err++;
}
if (opts.quiet && opts.verbose) {
ntfs_log_error("You may not use --quiet and --verbose at the "
"same time.\n");
err++;
}
}
if (ver)
version();
if (help || err)
usage();
return (!err && !help && !ver);
}
/**
* parse_options - Read and validate the programs command line
*
* Read the command line, verify the syntax and parse the options.
* This function is very long, but quite simple.
*
* Return: 1 Success
* 0 Error, one or more problems
*/
static int parse_options(int argc, char **argv)
{
static const char *sopt = "-fh?i:k:qVv";
static const struct option lopt[] = {
{"force", no_argument, NULL, 'f'},
{"help", no_argument, NULL, 'h'},
{"inode", required_argument, NULL, 'i'},
{"keyfile", required_argument, NULL, 'k'},
{"quiet", no_argument, NULL, 'q'},
{"version", no_argument, NULL, 'V'},
{"verbose", no_argument, NULL, 'v'},
{NULL, 0, NULL, 0}
};
int c = -1;
int err = 0;
int ver = 0;
int help = 0;
opterr = 0; /* We'll handle the errors, thank you. */
opts.inode = -1;
while ((c = getopt_long(argc, argv, sopt, lopt, NULL)) != -1) {
switch (c) {
case 1: /* A non-option argument */
if (!opts.device)
opts.device = argv[optind - 1];
else if (!opts.file)
opts.file = argv[optind - 1];
else {
ntfs_log_error("You must specify exactly one "
"file.\n");
err++;
}
break;
case 'f':
opts.force++;
break;
case 'h':
case '?':
help++;
break;
case 'k':
if (!opts.keyfile)
opts.keyfile = argv[optind - 1];
else {
ntfs_log_error("You must specify exactly one "
"key file.\n");
err++;
}
break;
case 'i':
if (opts.inode != -1)
ntfs_log_error("You must specify exactly one "
"inode.\n");
else if (utils_parse_size(optarg, &opts.inode, FALSE))
break;
else
ntfs_log_error("Couldn't parse inode number.\n");
err++;
break;
case 'q':
opts.quiet++;
ntfs_log_clear_levels(NTFS_LOG_LEVEL_QUIET);
break;
case 'V':
ver++;
break;
case 'v':
opts.verbose++;
ntfs_log_set_levels(NTFS_LOG_LEVEL_VERBOSE);
break;
default:
ntfs_log_error("Unknown option '%s'.\n",
argv[optind - 1]);
err++;
break;
}
}
if (help || ver) {
opts.quiet = 0;
ntfs_log_set_levels(NTFS_LOG_LEVEL_QUIET);
} else {
if (!opts.keyfile) {
ntfs_log_error("You must specify a key file.\n");
err++;
} else if (opts.device == NULL) {
ntfs_log_error("You must specify a device.\n");
err++;
} else if (opts.file == NULL && opts.inode == -1) {
ntfs_log_error("You must specify a file or inode with "
"the -i option.\n");
err++;
} else if (opts.file != NULL && opts.inode != -1) {
ntfs_log_error("You can't specify both a file and "
"inode.\n");
err++;
}
if (opts.quiet && opts.verbose) {
ntfs_log_error("You may not use --quiet and --verbose "
"at the same time.\n");
err++;
}
}
if (ver)
version();
if (help || err)
usage();
return (!err && !help && !ver);
}
